Purpurite and Adamite Physical Properties

Purpurite

Adamite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.2-3.44.32-4.48

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

[100] [001] perfect

{101}, good; {010}, poor

1.7 Mohs Hardness

4-4.53.5

2 10

1.8 Chemical Composition

MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Purpurite and Adamite Chemical Formula

While comparing Purpurite and Adamite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Purpurite and Adamite chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

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Purpurite and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Adamite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 4.32-4.48 whereas that of Adamite is 4.32-4.48.